21098686

素因数分解:

$2^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{6581}}^1$

素因数の和:6819

約数の個数: 16

約数和(自身を含む): 36332640

約数和(自身を除く): 15233954

約数列:

[1, 2, 7, 14, 229, 458, 1603, 3206, 6581, 13162, 46067, 92134, 1507049, 3014098, 10549343, 21098686]

約数ペア:

[(1, 21098686), (2, 10549343), (7, 3014098), (14, 1507049), (229, 92134), (458, 46067), (1603, 13162), (3206, 6581)]